Flights from Seattle (SEA) to Sydney (SYD)

Flight schedules from Seattle to Sydney with Star Alliance member carriers

Please note that the flight schedules of our member carriers are subject to change on short notice. We recommend using our member airlines information page. for the latest flight updates, details on booking flexibility, as well as specific Frequent Flyer Program information.

Outbound (25)

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Seattle US
SEA19:15
19h 20m
1 Stop
Sydney AU
SYD09:35
+2 day/s
Seattle - Sydney
Air Canada
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Air Canada AC 8811
  Seattle. US
  SEA 19:15
  1h 11m
  127 Miles
  Vancouver. CA
  YVR 20:26
  Canadair (Bombardier) Regional Jet 900 and Challenger 890
  Operated by Air Canada
2. Flight 2Air Canada AC 33
  Vancouver. CA
  YVR 22:40
  15h 55m
  7811 Miles
  Sydney. AU
  SYD 09:35
  Boeing 777-200LR Passenger
  Operated by Air Canada
Seattle US
SEA18:20
19h 55m
1 Stop
Sydney AU
SYD09:15
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 436
  Seattle. US
  SEA 18:20
  2h 17m
  683 Miles
  San Francisco. US
  SFO 20:37
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 863
  San Francisco. US
  SFO 22:55
  15h 20m
  7467 Miles
  Sydney. AU
  SYD 09:15
  Boeing 777-300ER Passenger
  Operated by United Airlines
Seattle US
SEA17:10
20h 55m
1 Stop
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2397
  Seattle. US
  SEA 17:10
  2h 48m
  960 Miles
  Los Angeles. US
  LAX 19:58
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  Boeing 787-9
  Operated by United Airlines
Seattle US
SEA16:35
21h 30m
2 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1914
  Seattle. US
  SEA 16:35
  2h 17m
  683 Miles
  San Francisco. US
  SFO 18:52
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2409
  San Francisco. US
  SFO 19:40
  1h 31m
  339 Miles
  Los Angeles. US
  LAX 21:11
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA15:20
22h 45m
2 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1476
  Seattle. US
  SEA 15:20
  2h 44m
  1028 Miles
  Denver. US
  DEN 19:04
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1368
  Denver. US
  DEN 19:45
  2h 34m
  865 Miles
  Los Angeles. US
  LAX 21:19
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA18:20
23h 20m
2 Stops
Sydney AU
SYD12:40
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 436
  Seattle. US
  SEA 18:20
  2h 17m
  683 Miles
  San Francisco. US
  SFO 20:37
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 917
  San Francisco. US
  SFO 22:45
  13h 25m
  6566 Miles
  Auckland. NZ
  AKL 09:10
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3Air New Zealand NZ 105
  Auckland. NZ
  AKL 11:10
  3h 30m
  1349 Miles
  Sydney. AU
  SYD 12:40
  
  Operated by Air New Zealand
Seattle US
SEA13:55
24h 10m
2 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1152
  Seattle. US
  SEA 13:55
  2h 17m
  683 Miles
  San Francisco. US
  SFO 16:12
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 698
  San Francisco. US
  SFO 17:49
  1h 31m
  339 Miles
  Los Angeles. US
  LAX 19:20
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA12:45
24h 35m
1 Stop
Sydney AU
SYD08:20
+2 day/s
Seattle - Sydney
Asiana Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Asiana Airlines OZ 271
  Seattle. US
  SEA 12:45
  12h 5m
  5232 Miles
  Seoul. KR
  ICN 17:50
  Airbus A350-900
  Operated by Asiana Airlines
2. Flight 2Asiana Airlines OZ 601
  Seoul. KR
  ICN 20:00
  10h 20m
  5212 Miles
  Sydney. AU
  SYD 08:20
  Airbus A350-900
  Operated by Asiana Airlines
Seattle US
SEA13:55
24h 40m
2 Stops
Sydney AU
SYD09:35
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1152
  Seattle. US
  SEA 13:55
  2h 17m
  683 Miles
  San Francisco. US
  SFO 16:12
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 460
  San Francisco. US
  SFO 18:51
  2h 27m
  805 Miles
  Vancouver. CA
  YVR 21:18
  Airbus A320 Passenger
  Operated by United Airlines
3. Flight 3Air Canada AC 33
  Vancouver. CA
  YVR 22:40
  15h 55m
  7811 Miles
  Sydney. AU
  SYD 09:35
  
  Operated by Air Canada
Seattle US
SEA16:35
25h 5m
2 Stops
Sydney AU
SYD12:40
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1914
  Seattle. US
  SEA 16:35
  2h 17m
  683 Miles
  San Francisco. US
  SFO 18:52
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 917
  San Francisco. US
  SFO 22:45
  13h 25m
  6566 Miles
  Auckland. NZ
  AKL 09:10
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3Air New Zealand NZ 105
  Auckland. NZ
  AKL 11:10
  3h 30m
  1349 Miles
  Sydney. AU
  SYD 12:40
  
  Operated by Air New Zealand
Seattle US
SEA12:55
25h 10m
2 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 737
  Seattle. US
  SEA 12:55
  2h 17m
  683 Miles
  San Francisco. US
  SFO 15:12
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 698
  San Francisco. US
  SFO 17:49
  1h 31m
  339 Miles
  Los Angeles. US
  LAX 19:20
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA12:30
25h 35m
2 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 431
  Seattle. US
  SEA 12:30
  2h 44m
  1028 Miles
  Denver. US
  DEN 16:14
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2240
  Denver. US
  DEN 17:40
  2h 34m
  865 Miles
  Los Angeles. US
  LAX 19:14
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA12:55
25h 40m
2 Stops
Sydney AU
SYD09:35
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 737
  Seattle. US
  SEA 12:55
  2h 17m
  683 Miles
  San Francisco. US
  SFO 15:12
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2Air Canada AC 571
  San Francisco. US
  SFO 16:35
  2h 24m
  805 Miles
  Vancouver. CA
  YVR 18:59
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by Air Canada
3. Flight 3Air Canada AC 33
  Vancouver. CA
  YVR 22:40
  15h 55m
  7811 Miles
  Sydney. AU
  SYD 09:35
  
  Operated by Air Canada
Seattle US
SEA12:55
25h 40m
2 Stops
Sydney AU
SYD09:35
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 737
  Seattle. US
  SEA 12:55
  2h 17m
  683 Miles
  San Francisco. US
  SFO 15:12
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 460
  San Francisco. US
  SFO 18:51
  2h 27m
  805 Miles
  Vancouver. CA
  YVR 21:18
  Airbus A320 Passenger
  Operated by United Airlines
3. Flight 3Air Canada AC 33
  Vancouver. CA
  YVR 22:40
  15h 55m
  7811 Miles
  Sydney. AU
  SYD 09:35
  
  Operated by Air Canada
Seattle US
SEA12:30
25h 45m
2 Stops
Sydney AU
SYD09:15
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 431
  Seattle. US
  SEA 12:30
  2h 44m
  1028 Miles
  Denver. US
  DEN 16:14
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2681
  Denver. US
  DEN 19:00
  2h 50m
  970 Miles
  San Francisco. US
  SFO 20:50
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 863
  San Francisco. US
  SFO 22:55
  15h 20m
  7467 Miles
  Sydney. AU
  SYD 09:15
  
  Operated by United Airlines
Seattle US
SEA12:30
25h 45m
2 Stops
Sydney AU
SYD09:15
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 431
  Seattle. US
  SEA 12:30
  2h 44m
  1028 Miles
  Denver. US
  DEN 16:14
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1007
  Denver. US
  DEN 17:25
  2h 49m
  970 Miles
  San Francisco. US
  SFO 19:14
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 863
  San Francisco. US
  SFO 22:55
  15h 20m
  7467 Miles
  Sydney. AU
  SYD 09:15
  
  Operated by United Airlines
Seattle US
SEA12:30
26h 5m
2 Stops
Sydney AU
SYD09:35
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 431
  Seattle. US
  SEA 12:30
  2h 44m
  1028 Miles
  Denver. US
  DEN 16:14
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2Air Canada AC 8713
  Denver. US
  DEN 18:00
  3h 1m
  1118 Miles
  Vancouver. CA
  YVR 20:01
  Canadair (Bombardier) Regional Jet 900 and Challenger 890
  Operated by Air Canada
3. Flight 3Air Canada AC 33
  Vancouver. CA
  YVR 22:40
  15h 55m
  7811 Miles
  Sydney. AU
  SYD 09:35
  
  Operated by Air Canada
Seattle US
SEA10:55
27h 10m
2 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 747
  Seattle. US
  SEA 10:55
  4h 4m
  1725 Miles
  Chicago. US
  ORD 16:59
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1071
  Chicago. US
  ORD 17:50
  4h 37m
  1750 Miles
  Los Angeles. US
  LAX 20:27
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA10:55
27h 20m
2 Stops
Sydney AU
SYD09:15
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 747
  Seattle. US
  SEA 10:55
  4h 4m
  1725 Miles
  Chicago. US
  ORD 16:59
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1005
  Chicago. US
  ORD 19:00
  4h 50m
  1851 Miles
  San Francisco. US
  SFO 21:50
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 863
  San Francisco. US
  SFO 22:55
  15h 20m
  7467 Miles
  Sydney. AU
  SYD 09:15
  
  Operated by United Airlines
Seattle US
SEA10:55
27h 20m
2 Stops
Sydney AU
SYD09:15
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 747
  Seattle. US
  SEA 10:55
  4h 4m
  1725 Miles
  Chicago. US
  ORD 16:59
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 738
  Chicago. US
  ORD 17:50
  4h 53m
  1851 Miles
  San Francisco. US
  SFO 20:43
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 863
  San Francisco. US
  SFO 22:55
  15h 20m
  7467 Miles
  Sydney. AU
  SYD 09:15
  
  Operated by United Airlines
Seattle US
SEA10:35
28h 55m
2 Stops
Sydney AU
SYD10:30
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Air Canada AC 8803
  Seattle. US
  SEA 10:35
  1h 11m
  127 Miles
  Vancouver. CA
  YVR 11:46
  Canadair (Bombardier) Regional Jet 900 and Challenger 890
  Operated by Air Canada
2. Flight 2ANA NH 115
  Vancouver. CA
  YVR 15:15
  10h 30m
  4723 Miles
  Tokyo. JP
  HND 18:45
  Boeing 787-9
  Operated by ANA
3. Flight 3ANA NH 879
  Tokyo. JP
  HND 22:45
  9h 45m
  4885 Miles
  Sydney. AU
  SYD 10:30
  
  Operated by ANA
Seattle US
SEA08:30
29h 35m
3 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1829
  Seattle. US
  SEA 08:30
  5h 12m
  1883 Miles
  Houston. US
  IAH 17:12
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 285
  Houston. US
  IAH 18:20
  3h 47m
  1384 Miles
  Los Angeles. US
  LAX 20:07
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA08:30
29h 35m
3 Stops
Sydney AU
SYD09:05
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1829
  Seattle. US
  SEA 08:30
  5h 12m
  1883 Miles
  Houston. US
  IAH 17:12
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1127
  Houston. US
  IAH 19:50
  3h 47m
  1384 Miles
  Los Angeles. US
  LAX 21:37
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 839
  Los Angeles. US
  LAX 22:40
  15h 25m
  7536 Miles
  Sydney. AU
  SYD 09:05
  
  Operated by United Airlines
Seattle US
SEA08:30
29h 45m
3 Stops
Sydney AU
SYD09:15
+2 day/s
Seattle - Sydney
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1829
  Seattle. US
  SEA 08:30
  5h 12m
  1883 Miles
  Houston. US
  IAH 17:12
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1349
  Houston. US
  IAH 18:29
  4h 22m
  1641 Miles
  San Francisco. US
  SFO 20:51
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 863
  San Francisco. US
  SFO 22:55
  15h 20m
  7467 Miles
  Sydney. AU
  SYD 09:15
  
  Operated by United Airlines
Seattle US
SEA05:36
31h 44m
2 Stops
Sydney AU
SYD08:20
+2 day/s
Seattle - Sydney
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1954
  Seattle. US
  SEA 05:36
  2h 14m
  683 Miles
  San Francisco. US
  SFO 07:50
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 893
  San Francisco. US
  SFO 10:30
  12h 45m
  5677 Miles
  Seoul. KR
  ICN 16:15
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3Asiana Airlines OZ 601
  Seoul. KR
  ICN 20:00
  10h 20m
  5212 Miles
  Sydney. AU
  SYD 08:20
  
  Operated by Asiana Airlines